From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 9 Jan 2014 21:51:56 +0000 (-0500)
Subject: drm/radeon/cik: use WAIT_REG_MEM special op for CP HDP flush
X-Git-Tag: v3.14-rc1~47^2~15^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5d2590673f3e5c0c0ecf496fb48c73e3ee3ee573;p=pandora-kernel.git

drm/radeon/cik: use WAIT_REG_MEM special op for CP HDP flush

This is the preferred flushing method on CIK.

Note, this only works on the PFP so the engine bit must be
set.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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